倒置一个单链表，链表是带有头结点的单链表，通过不断在表头插入结点，使链表有序-Inversion of a single linked list, linked list is the first node with a single list, through constant head inserted in the table node, so that an orderly list
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001303s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.090963s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001169s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001936s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001161s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003590s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000979s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003244s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014997s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001382s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 185173 [ RunTime:0.001421s ]
